import java.awt.image.SampleModel;
import java.util.concurrent.Semaphore;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 19182
 * Date: 2025-08-22
 * Time: 17:36
 */
public class demo3 {
    private static int count = 0;
    public static void main(String[] args) throws InterruptedException {
        Semaphore semaphore = new Semaphore(1);
        Thread t1 = new Thread(()->{
            for(int i = 0; i < 50000; i++){
                try {
                    semaphore.acquire();
                    count++;
                    semaphore.release();
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }

            }
        });
        Thread t2 = new Thread(()->{
            for(int i = 0; i < 50000; i++){
                try {
                    semaphore.acquire();
                    count++;
                    semaphore.release();
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }

            }
        });
        t1.start();
        t2.start();
        t1.join();
        t2.join();
        System.out.println(count);
    }
}
